Many people think there's reason to believe Brian Shaffer is still alive
The father went to the pub bathroom and was never seen again
The FBI criminal profiler inspired Netflix's Mindhunter
Serial killer John Wayne Gacy had some strange requests for people that wanted to contact him in prison
The series features some of the worst criminals in UK history
John Wayne Gacy tortured and murdered 33 boys and men before being caught
The fingerprints were missing for decades until just recently
The Netflix documentary reveals the real killer's twisted confession
Photos found on their camera have fuelled a chilling theory about what happened to Kris Kremers and Lisanne Froon
The Netflix show is scaring some viewers off dating altogether
Cheryl Bradshaw was left counting her lucky stars that she did not date the eligible bachelor after his true identity was revealed
'Deadpool killer' Wade Wilson has been sentenced to death for murdering two women
The picture was taken on a day he murdered two women
Ian Huntley was given two life sentences for the Soham murders
He was smiling, but had just committed a horrific crime
A notorious serial killer appeared on the dating show in 1978
The documentary is so wild it had viewers begging for more
Barbora Skrlova deceived people into believing she was a child
Viewers have been horrified after watching the movie, which is based on the real-life abductions of three women
The HBO doc has one of the most insane endings, ever
Mindhunter viewers have a lot of questions after seeing most recent photo of serial killer Ed Kemper
The notorious serial killer is now 75-years-old
Rhian Lee couldn't believe what she discovered in her late friend Leigh Sabine's garden
Michelle James found herself at the centre of a murder investigation